task

package
Version: v2.367.0+incompatible Latest Latest
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Published: Feb 9, 2021 License: Apache-2.0 Imports: 6 Imported by: 4

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Constants

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Variables

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Functions

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Types

type CancelFunc

type CancelFunc func(task Task) error

type EndFunc

type EndFunc func(task Task)

type Func

type Func func() (value interface{}, err error)

type Info

type Info struct {
	TaskID  string
	Method  string
	Payload []byte
}

type Manager

type Manager interface {
	GetInfos() ([]Info, error)
	AddInfo(taskInfo Info) error
	RemoveInfo(taskID string) error
}

func NewManager

func NewManager(logger boshlog.Logger, fs boshsys.FileSystem, tasksPath string) Manager

type ManagerProvider

type ManagerProvider interface {
	NewManager(boshlog.Logger, boshsys.FileSystem, string) Manager
}

func NewManagerProvider

func NewManagerProvider() ManagerProvider

type Service

type Service interface {
	// Builds tasks but does not record them in any way
	CreateTask(Func, CancelFunc, EndFunc) (Task, error)
	CreateTaskWithID(string, Func, CancelFunc, EndFunc) Task

	// Records that task to run later
	StartTask(Task)
	FindTaskWithID(string) (Task, bool)
}

func NewAsyncTaskService

func NewAsyncTaskService(uuidGen boshuuid.Generator, logger boshlog.Logger) (service Service)

type State

type State string
const (
	StateRunning State = "running"
	StateDone    State = "done"
	StateFailed  State = "failed"
)

type StateValue

type StateValue struct {
	AgentTaskID string `json:"agent_task_id"`
	State       State  `json:"state"`
}

type Task

type Task struct {
	ID    string
	State State
	Value interface{}
	Error error

	Func       Func
	CancelFunc CancelFunc
	EndFunc    EndFunc
}

func (Task) Cancel

func (t Task) Cancel() error

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